NJU Submissions for the WMT19 Quality Estimation Shared Task Hou Qi author 2019-08 text Proceedings of the Fourth Conference on Machine Translation (Volume 3: Shared Task Papers, Day 2) Ondřej Bojar editor Rajen Chatterjee editor Christian Federmann editor Mark Fishel editor Yvette Graham editor Barry Haddow editor Matthias Huck editor Antonio Jimeno Yepes editor Philipp Koehn editor André Martins editor Christof Monz editor Matteo Negri editor Aurélie Névéol editor Mariana Neves editor Matt Post editor Marco Turchi editor Karin Verspoor editor Association for Computational Linguistics Florence, Italy conference publication qi-2019-nju 10.18653/v1/W19-5409 https://aclanthology.org/W19-5409/ 2019-08 95 100